522245504 has 64 divisors (see below), whose sum is σ = 1150768080. Its totient is φ = 234086400.

The previous prime is 522245483. The next prime is 522245509. The reversal of 522245504 is 405542225.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522245509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100244 + ... + 105324.

Almost surely, 2^522245504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522245504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575384040).

522245504 is an abundant number, since it is smaller than the sum of its proper divisors (628522576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

522245504 is a wasteful number, since it uses less digits than its factorization.

522245504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5179 (or 5167 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 522245504 is about 22852.6913951071. The cubic root of 522245504 is about 805.3009967085.

Adding to 522245504 its reverse (405542225), we get a palindrome (927787729).

The spelling of 522245504 in words is "five hundred twenty-two million, two hundred forty-five thousand, five hundred four".